EP2574858A2 - Unité dýintérieur et climatiseur - Google Patents

Unité dýintérieur et climatiseur Download PDF

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Publication number
EP2574858A2
EP2574858A2 EP12199428A EP12199428A EP2574858A2 EP 2574858 A2 EP2574858 A2 EP 2574858A2 EP 12199428 A EP12199428 A EP 12199428A EP 12199428 A EP12199428 A EP 12199428A EP 2574858 A2 EP2574858 A2 EP 2574858A2
Authority
EP
European Patent Office
Prior art keywords
unit
dust
air filter
air
indoor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12199428A
Other languages
German (de)
English (en)
Other versions
EP2574858A3 (fr
EP2574858B1 (fr
Inventor
Naomi Kidokoro
Toyotaka Hirao
Ken Shimizu
Masashi Maeno
Daisuke Tanaka
Hiroyasu Aruga
Masahiro Tsubono
Shigehisa Katou
Masashi Hirabayashi
Hiroshi Mizutani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of EP2574858A2 publication Critical patent/EP2574858A2/fr
Publication of EP2574858A3 publication Critical patent/EP2574858A3/fr
Application granted granted Critical
Publication of EP2574858B1 publication Critical patent/EP2574858B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/90—Cleaning of purification apparatus

Definitions

  • Japanese Patent No. 3297422 discloses a wire structure configured to hang an air inlet grill including an air filter from a ceiling-embedded air conditioner and a motor configured to wind the wire up and down.
  • the air filter of the air conditioner disposed at an overhead location can be cleaned by lowering only the air inlet grill including the air filter.
  • the present invention provides the following solutions.
  • the driving unit can move the dust-removing unit and the air filter relative to each other so as to remove dust attached to the air filter.
  • a driving force that is generated at the driving unit is transmitted to the cleaning unit via the reciprocating unit, the first transmitting unit, and the second transmitting unit. Consequently, the driving force transmitted from the driving unit causes the cleaning unit to move along the surface of the air filter on the air inlet side. In this way, dust collected on the air filter can be removed by the dust-removing unit.
  • a dust-amount detecting unit configured to detect the amount of dust collected in the collecting unit is further included.
  • the dust-amount detecting unit since the dust-amount detecting unit is provided, the amount of dust stored in the collecting unit can be detected. In this way, the collecting unit can be prevented from being filled with dust, and a reduction in the ability to remove dust by the cleaning unit can be prevented.
  • the cleaning unit can be driven by the belt driving mechanism.
  • the first transmitting unit can be prevented from disengaging from the worm gear.
  • the first transmitting unit is prevented from disengaging from the worm gear.
  • the air filter is pivotably supported at one of the edges thereof.
  • a fan motor 25 configured to drive the indoor fan 21 is disposed.
  • the indoor heat-exchanger 23 is disposed.
  • a bellmouth 27 configured to adjust the flow of the indoor air flowing in from the indoor fan 21 is disposed.
  • the air inlet grill 19 is disposed.
  • air outlets 29 configured to let indoor air that has entered the indoor fan 21 and has passed through the indoor heat-exchanger 23 flow out from the chassis 15 are provided.
  • the driving unit 41 is disposed so that it does not overlap with the air filter 31 when viewed from the top (refer to Fig. 4 ).
  • the driving screw 45 is disposed substantially parallel to the guide rails 39.
  • the driving motor 47 is connected at one end of the driving screw 45. The other end is rotatably supported by the chassis 15.
  • the brush unit 35 includes a brush extending upwards and a body to which the brush is fixed.
  • the brush unit 35 is disposed in such a manner that it extends in a direction substantially orthogonal to the guide rails 39. It is desirable to set the length of the brush unit 35 in the longitudinal direction to be substantially the same as the length of the air filter 31 in the same direction.
  • a partition 49 that is movable in the longitudinal direction of the dust box 37 and a detecting unit 51 configured to detect the amount of collected dust on the basis of the displacement of the partition 49 are disposed inside the dust box 37.
  • a linking unit 55 that protrudes upward and moves further upwards as the partition 49 moves toward the detecting unit 51 is disposed. By detecting the protrusion of the linking unit 55, the amount of collected dust can be detected.
  • the detecting unit 51 When the detecting unit 51 detects that a predetermined amount of dust is collected in the dust box 37, this will be notified by an appropriate notifying unit provided on, for example, the indoor unit 3, a remote controller (not shown in the drawings), and/or a central controller.
  • an appropriate notifying unit provided on, for example, the indoor unit 3, a remote controller (not shown in the drawings), and/or a central controller.
  • raising units 57 configured to raise and lower the air inlet grill 19
  • the brush unit 35 disposed on the air inlet grill 19 the dust box 37, and the air filter 31 are provided.
  • the refrigerant is compressed by the compressor 9 and is sent to the indoor heat-exchanger 23.
  • the refrigerant radiates heat to the indoor air, condenses, and liquefies.
  • the liquefied refrigerant is depressurized as it passes through the expansion valve and flows into the outdoor heat-exchanger 11.
  • the refrigerant draws heat from the outdoor heat-exchanger 11 and vaporizes.
  • the vaporized refrigerant flows into the compressor 9 again and repeats the above-described cycle.
  • the dust removal as described above, can be suitably carried out by driving the driving motor 47 by detecting clogging of the air filter 31, the total operating time of the indoor unit 3, and/or shut-off of the indoor unit 3.
  • the dust collected in the dust box 37 causes the partition 49 to move toward the detecting unit 51.
  • the linking unit 55 upon receiving the movement of the partition 49, protrudes upward by a predetermined amount.
  • the detecting unit 51 detects the amount of dust collected by detecting the protrusion of the linking unit 55 and, when a predetermined amount of dust is collected, notifies this in a predetermined manner, as described above.
  • the rotation of the lifting motors 59 is controlled by operating a remote controller, and the wires 63 wound around the sprawls 65 are let out.
  • the pulleys 61 turn and the air inlet grill 19 is lowered from the chassis 15 while maintaining a substantially horizontal orientation.
  • the air filter 31, the brush unit 35, and the dust box 37 disposed on the air inlet grill 19 are lowered together with the air inlet grill 19.
  • the air filter 31 is supported so that it can be raised to or lowered from the chassis 15 by the raising units 57, the operator can directly and easily clean the air filter 31. Moreover, the operator can clean areas in the air filter 31 where the brush unit 35 cannot reach.
  • a brush unit (dust-removing unit) 135 configured to remove dust attached to the air filter 31 and a dust box (collecting unit) 137 configured to cover the brush unit 135 from below are provided.
  • the dust box 137 is tapered, in at least the area engaged with a split nut 43, so that the inner side walls of the dust box 137 are disposed further away from each other toward the upper side of the side walls.
  • the structure is not limited to this, however; the entire area of the side walls may be tapered in a manner similar to the first embodiment.
  • the dust box 187 has a protrusion 189 protruding upward in at least the area where the driving unit 191 is engaged with the dust box 187.
  • the protrusion 189 has inclined surfaces that come closer to each other toward the top.
  • the driving unit 191 includes a split nut 193 configured to drive the dust box 187, a driving screw 45 engaged with the split nut 193, and a driving motor 47 configured to rotationally drive the driving screw 45.
  • the basic structure of an air conditioner according to this embodiment is the same as that according to the first embodiment. Only the engagement structure of the dust box and the driving unit differs from the first embodiment. Therefore, in this embodiment, the engagement structure of the dust box and the driving unit will be described with reference to Fig. 11 , and descriptions of the other structures will not be repeated.
  • the entire driving unit 291 is disposed on an air inlet grill 19 and is raised and lowered together with the air inlet grill 19.
  • the dust box 287 accommodates the brush unit and the moving unit 295.
  • the dust box 337 When dust is collected in the dust box 337, the dust accumulates inside the dust box 337. The accumulated dust comes into contact with the detecting unit 339 disposed below the cover 341. The detecting unit 339 outputs a dust-detection signal.
  • Fig. 14 illustrates the structure of a detecting unit of a dust box in an indoor unit according to this embodiment.
  • the air conditioner 351 having the above-described structure will be described below.
  • Each of the raising units 457 includes a lifting motor 59 disposed on the chassis 15, pulleys 61 disposed on the frame 433b of the air filter 431, and a wire 63 that are passed through the pulleys 61 and whose ends are fixed to the lifting motor 59 and the chassis 15.
  • the operator can remove the dust from the dust box 437. If necessary, any dust remaining on the air filter 431 can be directly removed.
  • a fan motor 25 configured to drive the indoor fan 21 is disposed.
  • the indoor heat-exchanger 23 is disposed around the indoor fan 21 and the fan motor 25.
  • a bellmouth 27 configured to adjust the flow of the indoor air to the indoor fan 21 is disposed.
  • the air filter 531 is disposed.
  • air outlets 29 configured to let indoor air that has entered the indoor fan 21 and has passed through the indoor heat-exchanger 23 flow out from the chassis 15 are provided.
  • the raising unit 557 includes a lifting motor 559 disposed on the chassis 15, pulleys 561 disposed on the separatable portion 533b of the air filter 531, and a wire 563 that is passed through pulleys 561 and whose ends are fixed to the lifting motor 559 and the chassis 15.
  • the wire 563 is wound around the sprawl 565 by driving the lifting motor 559.
  • the separatable portion 533b and the dust box 437 move upward while maintaining a substantially horizontal orientation and are connected to the air filter 531.
  • the indoor unit is embedded in the ceiling.
  • the indoor unit is not limited to a ceiling-embedded type indoor unit and may be any other type of indoor unit that is installed on the ceiling, such as a ceiling-suspended indoor unit.
  • the basic structure of an air conditioner according to this embodiment is the same as that according to the first embodiment. Only the structure of the air inlet grill and the vicinity thereof differs from the first embodiment. Therefore, in this embodiment, the structure of the air inlet grill and the vicinity thereof will be described with reference to Figs. 21 to 36 , and descriptions of the other structures will be omitted.
  • a fan motor 25 configured to drive the indoor fan 21 is disposed.
  • the indoor heat-exchanger 23 is disposed around the indoor fan 21 and the fan motor 25.
  • a bellmouth 27 configured to adjust the flow of the indoor air to the indoor fan 21 is disposed.
  • an air inlet grill 19 is disposed.
  • air outlets 29 are provided to let indoor air that has entered the indoor fan 21 and has passed through the indoor heat-exchanger 23 flow out from the chassis 15 are provided.
  • Fig. 23 is an exploded perspective view of the structures of the spacer 614 and the frame (chassis) 641 disposed on the top panel 14, illustrated in Fig. 22 .
  • a pair of support members 643 configured to support the driving motor 635 and the reciprocating unit 637 is provided.
  • the support members 643 are provided at substantially the center of opposing sides of the frame 641.
  • the support members 643 are protruding members that protrude inward from the inner periphery of the frame 641 to support the driving motor 635 and the reciprocating unit 637.
  • the driving motor 635 is interposed between the frame 641 and one of the support members 643.
  • the reciprocating unit 637 is interposed between the pair of support members 643.
  • the support members 643 may be provided on the frame 641 so as to support the driving motor 635 and the reciprocating unit 637.
  • the supporting structure is not limited to this configuration, and the driving motor 635 and the reciprocating unit 637 may be directly supported by the frame 641 without providing the support members 643.
  • the worm gear 647 is rotationally driven by the driving shaft 645 and is disposed on the driving shaft 645 so that the worm gear 647 is movable along the longitudinal direction of the driving shaft 645. More specifically, a through-hole having the same shape as the cross-section of the driving shaft 645 is formed in the worm gear 647, and the driving shaft 645 is passed through this through-hole. In this way, the rotational driving force of the driving shaft 645 is transmitted to the worm gear 647, and, at the same time, the worm gear 647 is movable along the longitudinal direction of the driving shaft 645.
  • cylindrical portions 651 are provided on both ends of the area where threads are provided. The outer peripheral surfaces of the cylindrical portions 651 contact the upper transmitting unit 639, described below, so as to prevent the worm gear 647 from separating from the driving rack gear 649.
  • the driving rack gear 649 is engaged with the worm gear 647 so as to generate a driving force for moving the worm gear 647 in a reciprocating manner.
  • the driving rack gear 649 is fixed between the pair of support members 643.
  • the driving rack gear 649 has a substantially H-shaped cross-section.
  • Rack gear threads that engage with the worm gear 647 are provided in the center of the H-shaped cross-section.
  • the cross-sectional shape of the driving rack gear 649 may be substantially H-shaped, as mentioned above, or may be any other shape.
  • the cross-sectional shape of the driving rack gear 649 is not limited.
  • the upper transmitting unit 639 includes a driving-force transmitting unit 653 that receives the reciprocative driving force from the worm gear 647, an adjusting unit (disengagement-prevention unit) 655 that holds the driving rack gear 649 against the driving-force transmitting unit 653 (refer to Fig. 24 ), and screws (disengagement-prevention units) 657 configured to join the driving-force transmitting unit 653 and the adjusting unit 655.
  • a driving-force transmitting unit 653 that receives the reciprocative driving force from the worm gear 647
  • an adjusting unit (disengagement-prevention unit) 655 that holds the driving rack gear 649 against the driving-force transmitting unit 653 (refer to Fig. 24 )
  • screws (disengagement-prevention units) 657 configured to join the driving-force transmitting unit 653 and the adjusting unit 655.
  • Fig. 26 is a partial exploded perspective view illustrating the structure of the air filter 631 and the cleaning unit 633 provided on the air inlet grill 19 shown in Fig. 22 .
  • Fig. 27 is a plan view illustrating the structure of the base 619 illustrated in Fig. 26 .
  • Fig. 28 is a cross-sectional view of a rotary rack gear 677 taken along line A-A in Fig. 27 .
  • Fig. 29 is a cross-sectional view of the engagement of the base 619 and the cleaning unit 633, taken along line B-B in Fig. 27 .
  • each of the guiding parts 679 includes a protruding guiding part 681 that is engaged with a guiding groove 707 of a roller 703 provided on a dust box 687, described below, and a supporting surface 683 that supports the roller 703.
  • the cleaning unit 633 includes the rotary brush (dust-removing unit) 685 configured to remove dust collected by the air filter 631 and the dust box (collecting unit) 687 configured to temporarily store dust removed by the rotary brush 685.
  • the pinion gears 693 are disposed on both ends of the rotary shaft 689.
  • the sliding units 695 are disposed adjacent to the inner side of the pinion gears 693.
  • the brush unit 691 that extend outward in the radial direction of the rotary shaft 689 is disposed.
  • the brush unit 691 is provided with four members along the central axis of the rotary shaft 689 around the circumference of the rotary shaft 689, with equal angular intervals therebetween.
  • the members of the brush unit 691 may extend parallel to the central axis line, as described above, or may be helically disposed around the rotary shaft 689.
  • the structure of the members of the brush unit 691 is not limited. Also, the number of members of the brush unit 691 is not limited to four, and more or less than four members may be provided.
  • the rollers 703 are rotatably disposed on the outer surfaces of the ends having the depressions.
  • the rollers 703 are shaped as cylinders.
  • the guiding groove 707 that is fitted with the guiding part 681 of the guiding parts 679 is provided.
  • the scrapers 705 are disposed on the inner surface of the through-hole in the main body 697 such that they extend inward and are disposed along the longitudinal direction (i.e., in the direction orthogonal to the surface of the page of Fig. 30 ) of the main body 697 at equal intervals.
  • the brush unit 691 of the rotary brush 685 moves through the gap between the scrapers 705 so that dust attached to the brush unit 691 is removed.
  • the sides of the scrapers 705 opposing the edge of the air filter 631 i.e., the upper side of the scrapers 705 in Fig. 30
  • Dust is collected toward the central area by the inclined sides of the scrapers 705 and is sent to the retention unit 699.
  • a lower engagement part 711 that is engaged with the upper engagement parts 669 of the upper transmitting unit 639 is provided.
  • the lower engagement part 711 has a smaller width compared to the other parts of the lower transmitting unit 675. This narrow part is engaged with the upper depression 671 of the upper engagement part 669.
  • lower depression 713 that are engaged with the cleaning unit 633 and hold the brackets 701 are provided at the tips of the grippers 709.
  • Fig. 32 is a plan view illustrating the structure of a dust-amount detecting unit provided on the base 619 of the air inlet grill 19 illustrated in Fig. 22 .
  • Fig. 33 is a cross-sectional view illustrating the structure of the dust-amount detecting unit illustrated in Fig. 32 .
  • the cylindrical portions 651 of the worm gear 647 are in contact with the contact units 665 of the upper transmitting unit 639, and, therefore, the worm gear 647 does not move more than a predetermined distance away from the driving rack gear 649. Since the driving rack gear 649 is interposed between the upper transmitting unit 639 and the adjusting unit 655, the upper transmitting unit 639 does not move more than a predetermined distance away from the driving rack gear 649.
  • the rotary brush 685 moves in a reciprocating manner on the lower surface side of the air filter 631 and, at the same time, is rotationally driven by engagement of the pinion gears 693 and the rotary rack gears 677.
  • the reciprocating and rotational movements of the rotary brush 685 cause the brush unit 691 of the rotary brush 685 to wipe the entire surface of the air filter 631 on the air inlet side so as to remove the dust collected on the air filter 631.
  • the dust attached to the brush unit 691 is scraped off from the brush unit 691 when the brush unit 691 passes through the gap between the scrapers 705.
  • the dust scraped off by the scrapers 705 drops through the gap between the scrapers 705 to the retention unit 699.
  • the flow rate of the air sucked in by the fan 719 is reduced, whereas, if a small amount of dust is stored in the retention unit 699, the flow rate of the air sucked in by the fan 719 is increased.
  • the flow sensor 721 configured to detect the flow rate of the air sucked in by the fan 719 may be provided on the dust-amount detecting unit 715 or, instead, a pressure-loss sensor configured to detect the pressure loss (pressure) in the air sucked in by the fan 719 may be provided.
  • the type of sensor is not limited. In the case where a pressure-loss sensor is used, if a large amount of dust is stored in the retention unit 699, the pressure loss in the air flow sucked in by the fan 719 is large, whereas, if a small amount of dust is stored in the retention unit 699, the pressure loss in the air flow sucked in by the fan 719 is small.
  • the lower transmitting unit 675 engaged with the cleaning unit 633 on the lowered air inlet grill 19 is removed. As shown in Fig. 29 , since the cleaning unit 633 and the lower transmitting unit 675 are engaged by the grippers 709 holding the brackets 701 from above, by pulling the grippers 709 upward, the lower transmitting unit 675 can be removed from the cleaning unit 633.
  • the air filter 631 is pivoted on a first edge (the right edge in Fig. 35 ) so as to lift a second edge (the left edge in Fig. 35 ).
  • the cleaning unit 633 disposed on the lower surface side of the air filter 631 is exposed.
  • the cleaning unit 633 is removed upward from the air inlet grill 19.
  • the main body 697 of the dust box 687 and the retention unit 699 of the cleaning unit 633 removed from the air filter 631 are separated. Then, the dust stored inside the retention unit 699 is removed.
  • the driving motor 635, the reciprocating unit 637, and the upper transmitting unit 639 are disposed on the frame 641 disposed on the top panel 14.
  • the cleaning unit 633 and the lower transmitting unit 675 are disposed on the air filter 631.
  • the upper transmitting unit 639 and the lower transmitting unit 675 are detachably engaged with each other. Therefore, both detachment of the air inlet grill 19, including the air filter 631, from the chassis 15 and driving of the cleaning unit 633 by the driving motor 635 can be achieved.
  • the upper transmitting unit 639 and the lower transmitting unit 675 are disengaged when the air inlet grill 19 is detached from the chassis 15, the detachment of the air inlet grill 19 is not hindered. Moreover, since the upper transmitting unit 639 and the lower transmitting unit 675 are engaged again when the air inlet grill 19 that has been detached is re-attached to the chassis 15, the driving of the cleaning unit 633 by the driving motor 635 is not hindered.
  • the air filter 631 and the cleaning unit 633 can be removed independently from the unit formed of the air filter 631, the cleaning unit 633, and the lower transmitting unit 675 removed from the chassis 15. Therefore, maintenance of the cleaning unit 633 and the air filter 631 can be easily carried out.
  • the rotary brush 685 includes the rotary shaft 689 on which the rotary brush 685 rotates around the longitudinal axis thereof and the brush unit 691 that extends in the radial direction of the rotary shaft 689, by rotating the rotary shaft 689, the brush unit 691 rotates to remove dust collected on the air filter 631.
  • the dust box 687 covers the rotary brush 685 and is capable of temporarily storing the dust removed from the air filter 631 by the rotary brush 685. Since the dust box 687 has an opening where the rotary brush 685 can contact the air filter 631, by letting the rotary brush 685 come into contact with the air filter 631, the dust collected on the air filter 631 can be removed by the rotary brush 685.
  • the driving force that moves the cleaning unit 633 along the surface of the air filter 631 is converted into a rotational driving force for rotating the rotary brush 685.
  • the rotary brush 685 also moves along the surface of the air filter 631.
  • the driving force that moves the rotary brush 685 along the surface of the air filter 631 is converted into a rotational driving force for rotating the rotary brush 685.
  • the pinion gears 693 are provided at both ends of the rotary shaft 689, the rotational driving force for rotating the rotary brush 685 is generated at both ends of the rotary shaft 689. Therefore, the rotary brush 685 can be stably rotated compared to a case in which the rotational driving force is generated at only one end of the rotary shaft 689.
  • dust attached to the rotary brush 685 can be removed. More specifically, dust attached to the brush unit 691 is removed when the brush unit 691 passes through the gap between the scrapers 705 while the rotary brush 685 is rotating.
  • the dust removed by the scrapers 705 is temporarily stored inside the dust box 687.
  • the scrapers 705 function as covers that prevent the dust temporarily stored in the dust box 687 from escaping.
  • the sliding units 695 configured to reduce sliding resistance caused by the rotation of the rotary shaft 689 are provided between the rotary shaft 689 and the dust box 687, the life of the rotary shaft 689 and the life of the dust box 687 can be extended. More specifically, by providing the sliding units 695, friction generated at the contact area of the rotary shaft 689 and the dust box 687 is reduced, and the amount of abrasion at the contact area is reduced. Therefore, the life of the rotary brush 685 and the life of the dust box 687 can be extended.
  • the number of reciprocating units 637 provided can be reduced and the size of the indoor unit 603 can be reduced compared to a method in which the driving force is transmitted to substantially the central area of the cleaning unit 633.
  • the upper transmitting unit 639 can be prevented from disengaging from the worm gear 647. For example, when sliding load generated between the worm gear 647 and the upper transmitting unit 639 and a resistive force generated when the cleaning unit 633 moves are applied to the upper transmitting unit 639, the upper transmitting unit 639 is prevented from disengaging from the worm gear 647.
  • the air filter 631 Since the air filter 631 is supported by the air inlet grill 19, the air filter 631 can be removed from the chassis 15 together with the air inlet grill 19. In this way, the air filter 631 can be easily removed from the chassis 15.
  • a space can be provided in the indoor unit 603 that contains the driving motor 635, the reciprocating unit 637, the upper transmitting unit 639, the lower transmitting unit 675, and the cleaning unit 633.
  • the cleaning unit 633 can be moved stably. In this way, compared to the present embodiment in which the driving force is transmitted to substantially the central area of the cleaning unit 633, the same amount of driving force can be transmitted to both ends of the cleaning unit 633, and the cleaning unit 633 can be driven more stably.
  • each of the reciprocating unit 637 can be reduced in size.
  • the air conditioner according to the above-described embodiments includes one indoor unit and one outdoor unit.
  • the number of indoor and outdoor units is not limited thereto, and the air conditioner may include a plurality of indoor units and one outdoor unit or may include a plurality of outdoor units and one indoor unit.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Air Conditioning Control Device (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
EP12199428.9A 2005-07-04 2006-02-23 Unité d'intérieur et climatiseur Not-in-force EP2574858B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005195208 2005-07-04
JP2005377295A JP4418427B2 (ja) 2005-07-04 2005-12-28 室内機ユニットおよび空気調和機
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EP06110322.2A Not-in-force EP1741992B1 (fr) 2005-07-04 2006-02-23 Unité d'intérieur d'un dispositif de conditionnement d'air
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EP3587940A1 (fr) * 2018-06-27 2020-01-01 Mitsubishi Heavy Industries Thermal Systems, Ltd. Unité de nettoyage de filtre et climatiseur
WO2021040418A1 (fr) * 2019-08-30 2021-03-04 Samsung Electronics Co., Ltd. Climatiseur
US11940160B2 (en) 2019-08-30 2024-03-26 Samsung Electronics Co., Ltd. Air conditioner
CN112438617A (zh) * 2019-08-31 2021-03-05 宁波方太厨具有限公司 一种烤盘烤架复合运动机构及应用该机构的烤箱
CN112438617B (zh) * 2019-08-31 2022-01-21 宁波方太厨具有限公司 一种烤盘烤架复合运动机构及应用该机构的烤箱

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EP1741992A2 (fr) 2007-01-10
ES2611280T3 (es) 2017-05-08
EP2574858A3 (fr) 2014-08-20
EP2574858B1 (fr) 2016-11-16
EP2574859A3 (fr) 2014-08-20
EP1741992A3 (fr) 2012-08-01
EP2574857B1 (fr) 2016-11-09
EP2574857A2 (fr) 2013-04-03
JP2007040689A (ja) 2007-02-15
EP2574857A3 (fr) 2014-08-20
ES2611279T3 (es) 2017-05-08
EP1741992B1 (fr) 2016-11-23
ES2610999T3 (es) 2017-05-04
EP2574859A2 (fr) 2013-04-03
JP4418427B2 (ja) 2010-02-17
EP2574859B1 (fr) 2016-11-30
ES2609957T3 (es) 2017-04-25

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